Finding the Third Proportional to 8,404.17 and 12,671.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.17 : 12,671.02 = 12,671.02 : x
2. Step 2: Convert to fraction form
   8,404.17/12,671.02 = 12,671.02/x
3. Step 3: Cross multiply
   8,404.17x = 12,671.02 × 12,671.02
4. Step 4: Simplify right side
   8,404.17x = 160,554,636.97
5. Step 5: Solve for x
   x = 160,554,636.97/8,404.17
6. Step 6: Final answer
   x = 19,104.16